VALVE CLEARANCE INSPECTION [WL-3]

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1.  Remove the following parts to turn the crankshaft.

1.  Drive belt. (See DRIVE BELT ADJUSTMENT [WL-3].)
2.  Cooling fan. (See COOLING FAN REMOVAL/INSTALLATION [WLT-1, WLT-2, WL-3].)
3.  Water pump pulley.

2.  Remove the EGR pipe. (See EGR SYSTEM REMOVAL/INSTALLATION [WL-3].)

3.  Remove the cylinder head cover.

4.  Turn the crankshaft and align the timing mark so that the piston of the No. 1 or No. 4 cylinders is at TDC of the compression.

5.  Measure the valve clearances A with the No.1 cylinder at TDC of compression, and those of B with the No.4 cylinder at TDC of compression.

•  If it is not within the specification, adjust and recheck the valve clearance. (See VALVE CLEARANCE ADJUSTMENT [WL-3].)
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Valve clearance [Engine cold]
IN: 0.05 — 0.15 mm {0.0020 — 0.0059 in}
EX: 0.15 —0.25 mm {0.0060 — 0.0098 in}

6.  Turn the crankshaft one full turn and measure the remaining valve clearances.

7.  Install the cylinder head cover. (See CYLINDER HEAD GASKET REPLACEMENT [WL-3].)

8.  Install the EGR pipe. (See EGR SYSTEM REMOVAL/INSTALLATION [WL-3].)